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/*******************************************************************************
* Copyright (c) 2007, 2013 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Florian Pirchner - added to preview bundle
*******************************************************************************/
package org.eclipse.osbp.ecview.jetty.manager.impl;
import java.io.File;
import java.io.IOException;
import java.util.Properties;
import javax.servlet.Servlet;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import org.eclipse.equinox.http.servlet.HttpServiceServlet;
import org.eclipse.jetty.server.Connector;
import org.eclipse.jetty.server.NetworkTrafficServerConnector;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.ContextHandlerCollection;
import org.eclipse.jetty.server.session.SessionHandler;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHolder;
import org.eclipse.osbp.ecview.jetty.manager.IJettyManager;
import org.osgi.framework.Constants;
public class JettyManager implements IJettyManager {
public static final java.lang.String HTTP_PORT = "http.port";
public static final java.lang.String OTHER_INFO = "other.info";
public static final String CONTEXT_TEMPDIR = "javax.servlet.context.tempdir"; //$NON-NLS-1$
private static final String DIR_PREFIX = "application"; //$NON-NLS-1$
private static final String INTERNAL_CONTEXT_CLASSLOADER = "org.eclipse.equinox.http.jetty.internal.ContextClassLoader"; //$NON-NLS-1$
private Server server;
private File workDir;
private int port;
private String contextPath;
public JettyManager() {
try {
port = Integer.valueOf(System.getProperty(PROP_PORT, "8088"));
} catch (NumberFormatException e) {
port = 8080;
}
contextPath = System.getProperty(PROP_CONTEXT_PATH, "osbp");
}
/**
* @return the port
*/
public int getPort() {
return port;
}
/**
* @return the contextPath
*/
public String getContextPath() {
return contextPath;
}
/**
* @return the contextPath
*/
public String getMobileContextPath() {
return contextPath + MOBILE_POSTFIX;
}
/**
* @return the contextPath
*/
public String getDisplayContextPath() {
return contextPath + DISPLAY_PREFIX;
}
public synchronized void stop() {
if (server != null) {
try {
server.stop();
} catch (Exception e) {
// cleaning up
e.printStackTrace();
}
File contextWorkDir = new File(workDir, DIR_PREFIX);
deleteDirectory(contextWorkDir);
}
}
public String getName() {
return this.getClass().getName();
}
public synchronized void start(File workDir) {
this.workDir = workDir;
stop();
this.server = new Server();
Connector httpConnector = createHttpConnector();
server.addConnector(httpConnector);
ContextHandlerCollection handlers = new ContextHandlerCollection();
ServletContextHandler applicationContext = createServletContext(getContextPath(), SERVICE_TYPE__APPLICATION);
ServletContextHandler mobileContext = createServletContext(getMobileContextPath(), SERVICE_TYPE__MOBILE);
ServletContextHandler displayContext = createServletContext(getDisplayContextPath(), SERVICE_TYPE__DISPLAY);
handlers.addHandler(applicationContext);
handlers.addHandler(mobileContext);
handlers.addHandler(displayContext);
server.setHandler(handlers);
try {
server.start();
} catch (Exception e) {
throw new RuntimeException(e.getMessage(), e);
}
}
protected ServletContextHandler createServletContext(String contextPath, String serviceType) {
ServletHolder holder = new ServletHolder(new InternalHttpServiceServlet());
holder.setInitOrder(0);
holder.setInitParameter(Constants.SERVICE_VENDOR, "OSBP.org"); //$NON-NLS-1$
holder.setInitParameter(Constants.SERVICE_DESCRIPTION, "ECView" + contextPath); //$NON-NLS-1$
holder.setInitParameter(PROP_SERVICE_TYPE, serviceType);
holder.setInitParameter(HTTP_PORT, Integer.toString(port));
holder.setInitParameter(OTHER_INFO, contextPath);
ServletContextHandler httpContext = createHttpContext(contextPath);
httpContext.addServlet(holder, "/*"); //$NON-NLS-1$
return httpContext;
}
public synchronized void shutdown() throws Exception {
server.stop();
server = null;
}
private Connector createHttpConnector() {
NetworkTrafficServerConnector connector = new NetworkTrafficServerConnector(server);
connector.setPort(port);
return connector;
}
// private Boolean getDefaultNIOEnablement() {
// Properties systemProperties = System.getProperties();
// String javaVendor = systemProperties.getProperty("java.vendor", "");
// //$NON-NLS-1$ //$NON-NLS-2$
// if (javaVendor.equals("IBM Corporation")) { //$NON-NLS-1$
// String javaVersion = systemProperties.getProperty("java.version", "");
// //$NON-NLS-1$ //$NON-NLS-2$
// if (javaVersion.startsWith("1.4")) //$NON-NLS-1$
// return Boolean.FALSE;
// // Note: no problems currently logged with 1.5
// if (javaVersion.equals("1.6.0")) { //$NON-NLS-1$
// String jclVersion = systemProperties.getProperty("java.jcl.version", "");
// //$NON-NLS-1$ //$NON-NLS-2$
// if (jclVersion.startsWith("2007")) //$NON-NLS-1$
// return Boolean.FALSE;
// if (jclVersion.startsWith("2008") && !jclVersion.startsWith("200811")
// //$NON-NLS-1$ //$NON-NLS-2$
// && !jclVersion.startsWith("200812")) //$NON-NLS-1$
// return Boolean.FALSE;
// }
// }
// return Boolean.TRUE;
// }
private ServletContextHandler createHttpContext(String contextPath) {
ServletContextHandler httpContext = new ServletContextHandler();
// hack in the mime type for xsd until jetty fixes it (bug 393218)
httpContext.getMimeTypes().addMimeMapping("xsd", "application/xml"); //$NON-NLS-1$ //$NON-NLS-2$
httpContext.setAttribute(INTERNAL_CONTEXT_CLASSLOADER, Thread.currentThread().getContextClassLoader());
httpContext.setClassLoader(this.getClass().getClassLoader());
httpContext.setContextPath(contextPath);
File contextWorkDir = new File(workDir, DIR_PREFIX + contextPath);
contextWorkDir.mkdir();
httpContext.setAttribute(CONTEXT_TEMPDIR, contextWorkDir);
httpContext.setSessionHandler(new SessionHandler());
return httpContext;
}
public static class InternalHttpServiceServlet implements Servlet {
// private static final long serialVersionUID = 7477982882399972088L;
private Servlet httpServiceServlet = new HttpServiceServlet();
private ClassLoader contextLoader;
public void init(ServletConfig config) throws ServletException {
ServletContext context = config.getServletContext();
contextLoader = (ClassLoader) context.getAttribute(INTERNAL_CONTEXT_CLASSLOADER);
Thread thread = Thread.currentThread();
ClassLoader current = thread.getContextClassLoader();
thread.setContextClassLoader(contextLoader);
try {
httpServiceServlet.init(config);
} finally {
thread.setContextClassLoader(current);
}
}
public void destroy() {
Thread thread = Thread.currentThread();
ClassLoader current = thread.getContextClassLoader();
thread.setContextClassLoader(contextLoader);
try {
httpServiceServlet.destroy();
} finally {
thread.setContextClassLoader(current);
}
contextLoader = null;
}
public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException {
Thread thread = Thread.currentThread();
ClassLoader current = thread.getContextClassLoader();
thread.setContextClassLoader(contextLoader);
try {
httpServiceServlet.service(req, res);
} finally {
thread.setContextClassLoader(current);
}
}
public ServletConfig getServletConfig() {
return httpServiceServlet.getServletConfig();
}
public String getServletInfo() {
return httpServiceServlet.getServletInfo();
}
}
// deleteDirectory is a convenience method to recursively delete a directory
private static boolean deleteDirectory(File directory) {
if (directory.exists() && directory.isDirectory()) {
File[] files = directory.listFiles();
for (int i = 0; i < files.length; i++) {
if (files[i].isDirectory()) {
deleteDirectory(files[i]);
} else {
files[i].delete();
}
}
}
return directory.delete();
}
}
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